581478552790 has 32 divisors (see below), whose sum is σ = 1075729927680. Its totient is φ = 226219634784.

The previous prime is 581478552779. The next prime is 581478552833. The reversal of 581478552790 is 97255874185.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5439972 + ... + 5545831.

It is an arithmetic number, because the mean of its divisors is an integer number (33616560240).

Almost surely, 2^581478552790 is an apocalyptic number.

581478552790 is a deficient number, since it is larger than the sum of its proper divisors (494251374890).

581478552790 is a wasteful number, since it uses less digits than its factorization.

581478552790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985956.

The product of its (nonzero) digits is 28224000, while the sum is 61.

The spelling of 581478552790 in words is "five hundred eighty-one billion, four hundred seventy-eight million, five hundred fifty-two thousand, seven hundred ninety".